9228994972 has 24 divisors (see below), whose sum is σ = 16317980672. Its totient is φ = 4566942000.

The previous prime is 9228994961. The next prime is 9228995021. The reversal of 9228994972 is 2794998229.

It is a self number, because there is not a number n which added to its sum of digits gives 9228994972.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135493 + ... + 191875.

Almost surely, 2^9228994972 is an apocalyptic number.

It is an amenable number.

9228994972 is a deficient number, since it is larger than the sum of its proper divisors (7088985700).

9228994972 is a wasteful number, since it uses less digits than its factorization.

9228994972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56809 (or 56807 counting only the distinct ones).

The product of its digits is 11757312, while the sum is 61.

The square root of 9228994972 is about 96067.6583039266. The cubic root of 9228994972 is about 2097.5780825697.

The spelling of 9228994972 in words is "nine billion, two hundred twenty-eight million, nine hundred ninety-four thousand, nine hundred seventy-two".